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#ifndef QxGuideCircle_HPP
#define QxGuideCircle_HPP

#include "QxGuide.hpp"
#include "QxDemoItem.hpp"

class QxGuideCircle : public QxGuide
{
public:

  enum DIRECTION {
    CW = 1,
    CCW = -1
  };

  QxGuideCircle( const QRectF& rect, float startAngle=0, float span=360, DIRECTION dir=CCW, QxGuide* follows=0 );

  void guide( QxDemoItem* item, float moveSpeed ); // overridden
  QPointF startPos();
  QPointF endPos();
  float length();

private:

  float posX;
  float posY;
  float radiusX;
  float radiusY;
  float startAngleRad;
  float endAngleRad;
  float spanRad;
  float stepAngleRad;
};

#endif // QxGuideCircle_HPP
